1.Select True or False: The formulas for the alcohol and the carboxylic acid (re

Question

1.Select True or False: The formulas for the alcohol and the carboxylic acid (respectively) from which the following ester may be synthesized are
CH3–(CH2)14–COOH and CH3–(CH2)9–OH.

2. Amines are

a) organic bases that react with water to produce ammonia.

b) organic acids that react with water to produce ammonia.

c) organic bases that react with acids to form ammonium salts.

d)organic acids that react with bases to form ammonium salts.

e) None of the above.

3. Write the chemical formula of the peroxide ion.

a) O2–

b) O–

c) O2–

d) O22–

e) None of the above

4. Which of the following is a promising candidate as an alternative to using chlorofluorocarbons as a coolant?

a) CCl2F2

b) CClF3

c) CFCl3

d) CH2FCF3

e) C3H8

Explanation / Answer

Solution

1) TRUE

The formulas of alcohol and carboxylic acid that are used in the synthesis of given beewax are true.

2) (C) is correct

The amines are organic bases that reacts with acids to form to form ammonium salts.

3) Option (c) O2- is correct.

This is because superoxide is the anionic form of the O2.

4) Option (D) CH2FCF3 is the correct option.

This is because the melting point is -103.3°C and it is used as coolant.

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